The Initial Step in the Reactions Catalyzed by the Pyruvate

question 109

Multiple Choice

The initial step in the reactions catalyzed by the pyruvate dehydrogenase complex is the formation of carbon dioxide and

• A) lipoic acid in its reduced form.
• B) acetyl-CoA.
• C) the reduction of NAD+.
• D) a two carbon unit covalently linked to thiamine pyrophosphate.
• E) citrate.

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Definitions:

Manic Episode

A period of abnormally elevated, expansive, or irritable mood and high energy levels, often seen in bipolar disorder.

Hypomania

A milder form of mania characterized by elevated mood, increased activity or energy levels, but not severe enough to cause significant impairment or require hospitalization.

Bipolar I Disorder

A mental disorder characterized by extreme mood swings that include emotional highs (mania) and lows (depression).

Bipolar I Disorder

A mental disorder characterized by periods of manic episodes which may be preceded or followed by episodes of depression.